True Random Number Generation from Bioelectrical and Physical Signals

Table 3

Comparison ofTRNG and PRNG.

	TRNG	PRNG
Realization type	Hardware required	Optional
Periodicity	Aperiodic	Periodic
Ease of application of design cycle	Complex	Easy because of standard structures
Efficiency	Weak	Perfect
Change of theoretical calculation limit	Constant (independent of time)	Dependent on time
Cryptographic security requirement	R1, R2 requirement	R1, R2, R3, and R4 requirements